How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
The way of entering the bootloader mode is sending the command,then run the code as follows:
void jump_to_bootloader(void)
{
uint8_t softdevice_enabled;
uint32_t err_code;...
I'm sorry but i don't know where else to turn. The tutorial on adding a characteristic to a service (the nordic tutorial i am basing this off) isn't finished and I have no...
Hi
I did not quit yet understand the Gazell Pairing library.
If an encrypted message is send, how do I add some payload to the acknowledgement.
And how will I be able...
Hi,when i set NRF_RADIO->MODE in RADIO_MODE_MODE_Nrf_1Mbit ,then use radio_tx_carrier(txpower_, mode_, CH_LOW); i got a picture with spectrum analyzer like this ! , when i...
Hi
I have been using the double buffer DFU for a while now, and it works reliably for me.
However, I am hitting the application size limit that can be handled by the double...
Hi,
We developed the app using the nRF Beacon App sample code.
I want to ask for a good application notes or some hints which I can use for developing.
* Is the API documentation...
The nRF51822 Product Specification says that "Maximum number of pins with 5 mA high drive is 3."
Does that mean that you can only configure 3 pins as high drive, or could...
I managed to upload my application OTA DFU when there was only the bootloader running. After my application is there, I can start DFU and my application runs thru reset_prepare...
Is there a firmware locking feature for either 51422/51822, or can you purchase OTP (one time programmable) versions?
Can you buy them mask programmed from Nordic?
I...
I want to get sensor data from arduino, with atleast 200 samples per second, but at present I am only getting around 20 samples per second. I went through forums and got to...
What is the source resistance for the GPIO pin when driven high and configured as following:
Output, Standard 0.5mA drive, No pullup, S0S1
Output, High 5mA drive...
Hi there! I added ANCS to my project which contains services nus, dis, dfus and two other custom services. Everything seems OK except device manager. I paired the device with...
